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person · Reporting owner

ROSENBLATT DAVID S

Disclosed activity across 5 companies

Tapewire entity
29479
SEC CIK
0001237860

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
1stdibs.com, Inc.DIBS · Entity 6526Director · Chief Executive OfficerSeptember 08, 2026September 10, 2026
ETSY INCETSY · Entity 2395DirectorJune 09, 2026June 11, 2026
People IncPPLI · Entity 4273DirectorJuly 16, 2026July 20, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

1stdibs.com, Inc.

Report date September 08, 2026 · Filed September 10, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect2,203,074 Ending reported balance After 2026-09-08 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-09-08 · Exercise / conversion · Acquired 37,500 · Balance 2,162,636

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Row 2 · 2026-09-08 · Exercise / conversion · Acquired 47,500 · Balance 2,210,136

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Row 3 · 2026-09-08 · Exercise / conversion · Acquired 47,500 · Balance 2,257,636

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Row 4 · 2026-09-08 · Exercise / conversion · Acquired 41,667 · Balance 2,299,303

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Row 5 · 2026-09-08 · Tax withholding · Disposed 96,229 · Balance 2,203,074

F2: These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023, March 8, 2024, March 14, 2025 and March 16, 2026. None of these shares were sold in an open market transaction.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect75,000 Reported balance After 2026-09-08 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-09-08 · Exercise / conversion · Disposed 37,500 · Balance 75,000

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect285,000 Reported balance After 2026-09-08 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-09-08 · Exercise / conversion · Disposed 47,500 · Balance 285,000

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect475,000 Reported balance After 2026-09-08 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2026-09-08 · Exercise / conversion · Disposed 47,500 · Balance 475,000

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F5: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect416,667 Reported balance After 2026-09-08 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2026-09-08 · Exercise / conversion · Disposed 41,667 · Balance 416,667

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F6: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2026, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Common StockSEC Table I · non-derivativeIndirectBy 2024 Laura Thalheimer Rosenblatt Family Trust effective 4/1/202422,500 Reported balance Holding disclosure · report date 2026-09-08 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 22,500

Common StockSEC Table I · non-derivativeIndirectBy 2012 David Rosenblatt Family Trust dtd 11/30/2012712,802 Reported balance Holding disclosure · report date 2026-09-08 · row 7 Holding and transaction disclosures are not merged.
1 source row

Row 7 · Balance 712,802

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2: These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023, March 8, 2024, March 14, 2025 and March 16, 2026. None of these shares were sold in an open market transaction.

F3: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F6: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2026, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

ETSY INC

Report date June 09, 2026 · Filed June 11, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect6,032 Reported balance After 2026-06-09 transaction · row 1
1 source row

Row 1 · 2026-06-09 · Exercise / conversion · Acquired 4,733 · Balance 6,032

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-06-09 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-06-09 · Exercise / conversion · Disposed 4,733 · Balance 0

F1: Units correspond 1-for-1 with common stock.

F2: 100% of this award vested on June 9, 2026.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect3,921 Reported balance After 2026-06-09 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-06-09 · Grant · Acquired 3,921 · Balance 3,921

F1: Units correspond 1-for-1 with common stock.

F3: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

Filing footnotes · ownership attribution and instrument terms

F1: Units correspond 1-for-1 with common stock.

F2: 100% of this award vested on June 9, 2026.

F3: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

People Inc

Report date July 16, 2026 · Filed July 20, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect5,490 Reported balance After 2026-07-16 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-07-16 · Grant · Acquired 5,490 · Balance 5,490

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F2: Represents RSUs that vest in equal installments on each of July 16, 2027, 2028, and 2029 subject to continued service.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F2: Represents RSUs that vest in equal installments on each of July 16, 2027, 2028, and 2029 subject to continued service.

Past disclosures · reporting ended (2)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Match Group, Inc.

Report date June 30, 2020 · Filed July 03, 2020

Section 16 reporting ended · disclosed 2020-07-03. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $0.001SEC Table I · non-derivativeDirect109,560 Ending reported balance After 2020-06-30 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2020-06-30 · Disposition to issuer · Disposed 50,760 · Balance 0

F1: Includes: (i) 45,476 shares of common stock held directly by the reporting person and (ii) 5,284 share units accrued under the Non-Employee Director Deferred Compensation Plan.

F2: Pursuant to the terms of the transaction agreement, dated as of December 19, 2019 (as amended, the "Transaction Agreement"), by and among the Issuer, Match Group, Inc., IAC Holdings, Inc. ("New IAC"), a direct wholly owned subsidiary of the Issuer, and Valentine Merger Sub LLC, an indirect wholly owned subsidiary of the Issuer, (i) the shares of common stock automatically converted into (a) shares of the Issuer's Class M common stock (which was subsequently renamed Match Group, Inc. common stock) based on the Reclassification Exchange Ratio (as calculated pursuant to the Transaction Agreement) and (b) shares of New IAC common stock, on a one-for-one basis, and (ii) the share units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

Row 2 · 2020-06-30 · Grant · Acquired 109,560 · Balance 109,560

F2: Pursuant to the terms of the transaction agreement, dated as of December 19, 2019 (as amended, the "Transaction Agreement"), by and among the Issuer, Match Group, Inc., IAC Holdings, Inc. ("New IAC"), a direct wholly owned subsidiary of the Issuer, and Valentine Merger Sub LLC, an indirect wholly owned subsidiary of the Issuer, (i) the shares of common stock automatically converted into (a) shares of the Issuer's Class M common stock (which was subsequently renamed Match Group, Inc. common stock) based on the Reclassification Exchange Ratio (as calculated pursuant to the Transaction Agreement) and (b) shares of New IAC common stock, on a one-for-one basis, and (ii) the share units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2021-06-28Direct0 Reported balance After 2020-06-30 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2020-06-30 · Disposition to issuer · Disposed 547 · Balance 0

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Pursuant to the terms of the Transaction Agreement, the restricted stock units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F5: Represents restricted stock units that vested/vest in 3 equal installments on June 28, 2019, 2020 and 2021, subject to continued service.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2022-06-12Direct0 Reported balance After 2020-06-30 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2020-06-30 · Disposition to issuer · Disposed 727 · Balance 0

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Pursuant to the terms of the Transaction Agreement, the restricted stock units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F6: Represents restricted stock units that vested/vest in 3 equal installments on June 12, 2020, 2021 and 2022, subject to continued service.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2021-06-25Direct0 Reported balance After 2020-06-30 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2020-06-30 · Disposition to issuer · Disposed 548 · Balance 0

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Pursuant to the terms of the Transaction Agreement, the restricted stock units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F7: Represents restricted stock units that vested/vest in 3 equal installments on June 25, 2019, 2020 and 2021, subject to continued service.

Restricted Stock UnitsSEC Table II · derivative / convertible security · Expires 2023-06-25Direct0 Reported balance After 2020-06-30 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2020-06-30 · Disposition to issuer · Disposed 821 · Balance 0

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Pursuant to the terms of the Transaction Agreement, the restricted stock units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F8: Represents restricted stock units that vested/vest in 3 equal installments on June 25, 2021, 2022 and 2023, subject to continued service.

Filing footnotes · ownership attribution and instrument terms

F1: Includes: (i) 45,476 shares of common stock held directly by the reporting person and (ii) 5,284 share units accrued under the Non-Employee Director Deferred Compensation Plan.

F2: Pursuant to the terms of the transaction agreement, dated as of December 19, 2019 (as amended, the "Transaction Agreement"), by and among the Issuer, Match Group, Inc., IAC Holdings, Inc. ("New IAC"), a direct wholly owned subsidiary of the Issuer, and Valentine Merger Sub LLC, an indirect wholly owned subsidiary of the Issuer, (i) the shares of common stock automatically converted into (a) shares of the Issuer's Class M common stock (which was subsequently renamed Match Group, Inc. common stock) based on the Reclassification Exchange Ratio (as calculated pursuant to the Transaction Agreement) and (b) shares of New IAC common stock, on a one-for-one basis, and (ii) the share units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F3: Restricted stock units convert into common stock on a one-for-one basis.

F4: Pursuant to the terms of the Transaction Agreement, the restricted stock units automatically converted into restricted stock units of New IAC corresponding to shares of New IAC's common stock, on a basis that preserves the fair market value of such awards immediately before and immediately after the conversion.

F5: Represents restricted stock units that vested/vest in 3 equal installments on June 28, 2019, 2020 and 2021, subject to continued service.

F6: Represents restricted stock units that vested/vest in 3 equal installments on June 12, 2020, 2021 and 2022, subject to continued service.

F7: Represents restricted stock units that vested/vest in 3 equal installments on June 25, 2019, 2020 and 2021, subject to continued service.

F8: Represents restricted stock units that vested/vest in 3 equal installments on June 25, 2021, 2022 and 2023, subject to continued service.

TWITTER, INC.

Report date October 27, 2022 · Filed October 31, 2022

Section 16 reporting ended · disclosed 2022-10-31. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote0 Reported balance After 2022-10-27 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2022-10-27 · Disposition to issuer · Disposed 111,811 · Balance 0

F1: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement") dated April 25, 2022, by and among the Issuer, X Holdings I, Inc., a Delaware corporation ("Parent"), X Holdings II, Inc., a Delaware corporation and a direct wholly owned Subsidiary of Parent ("Acquisition Sub"), and, solely for the purpose of certain provisions of the Merger Agreement, Elon R. Musk, on October 27, 2022 (the "Closing Date"), Acquisition Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent. Parent is wholly owned by Mr. Musk. In connection with the Merger, these shares were cancelled and converted into the right to receive $54.20 in cash, without interest, per share, subject to the terms and conditions of the Merger Agreement (the "Merger Consideration").

F2: 87,460 shares are held by the Reporting Person and spouse in a tenants in common holding account.

Common StockSEC Table I · non-derivativeIndirectSee footnote0 Reported balance After 2022-10-27 transaction · row 2 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 2 · 2022-10-27 · Disposition to issuer · Disposed 5,954 · Balance 0

F3: Unvested Restricted Stock Units of the Issuer ("Issuer RSUs"), as of immediately prior to the Closing Date, were cancelled and converted into the right to receive the Merger Consideration.

F2: 87,460 shares are held by the Reporting Person and spouse in a tenants in common holding account.

Filing footnotes · ownership attribution and instrument terms

F1: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement") dated April 25, 2022, by and among the Issuer, X Holdings I, Inc., a Delaware corporation ("Parent"), X Holdings II, Inc., a Delaware corporation and a direct wholly owned Subsidiary of Parent ("Acquisition Sub"), and, solely for the purpose of certain provisions of the Merger Agreement, Elon R. Musk, on October 27, 2022 (the "Closing Date"), Acquisition Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent. Parent is wholly owned by Mr. Musk. In connection with the Merger, these shares were cancelled and converted into the right to receive $54.20 in cash, without interest, per share, subject to the terms and conditions of the Merger Agreement (the "Merger Consideration").

F2: 87,460 shares are held by the Reporting Person and spouse in a tenants in common holding account.

F3: Unvested Restricted Stock Units of the Issuer ("Issuer RSUs"), as of immediately prior to the Closing Date, were cancelled and converted into the right to receive the Merger Consideration.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · derivative · entry 8

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 475,000

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 SaleCommon Stock 73,207 $2.80 $204,979.60
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · nonDerivative · entry 4

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,845,898

F2 · shares: These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023, March 8, 2024 and March 14, 2025. None of these shares were sold in an open market transaction.

Read SEC document
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,919,105

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,871,605

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
September 08, 2025 Filed Sep 10, 2025 22:03 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 37,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000120 · wk-form4_1757541778.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,824,105

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
June 23, 2025 Filed Jun 25, 2025 20:31 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 1,257 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000103 · wk-form4_1750883475.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.0001 · 1,257 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

Read SEC document
June 23, 2025 Filed Jun 25, 2025 20:31 UTC People Inc IAC · Entity 4273 GrantCommon Stock, par value $0.0001 1,257 $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000103 · wk-form4_1750883475.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,756

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 59,763 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 25,993 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

Read SEC document
June 18, 2025 Filed Jun 23, 2025 21:19 UTC People Inc IAC · Entity 4273 GrantRestricted Stock Units · Derivative 6,791 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000082 · wk-form4_1750713555.xml · derivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,791

Underlying: Common Stock, par value $0.0001 · 6,791 shares

Expires not disclosed

F1 · security: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

Read SEC document
June 17, 2025 Filed Jun 18, 2025 20:35 UTC ETSY INC ETSY · Entity 2395 GrantRestricted Stock Units · Derivative 4,733 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-017687 · form4-06182025_080616.xml · derivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,733

Underlying: Common Stock · 4,733 shares

Expires not disclosed

F1 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F3 · derivative.exercise_date: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

F3 · derivative.expiration_date: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

Read SEC document
June 17, 2025 Filed Jun 18, 2025 20:35 UTC ETSY INC ETSY · Entity 2395 Exercise / conversionRestricted Stock Units · Derivative 1,299 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-017687 · form4-06182025_080616.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,299 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F2 · derivative.exercise_date: 100% of this award vested on June 17, 2025.

F2 · derivative.expiration_date: 100% of this award vested on June 17, 2025.

Read SEC document
June 17, 2025 Filed Jun 18, 2025 20:35 UTC ETSY INC ETSY · Entity 2395 Exercise / conversionCommon Stock 1,299 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-017687 · form4-06182025_080616.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,299

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 15, 2025 Filed Jun 17, 2025 22:20 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 1,610 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000056 · wk-form4_1750198806.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

Read SEC document
June 15, 2025 Filed Jun 17, 2025 22:20 UTC People Inc IAC · Entity 4273 Exercise / conversionCommon Stock, par value $0.0001 1,610 $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000056 · wk-form4_1750198806.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,499

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 58,506 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 25,993 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

Read SEC document
June 11, 2025 Filed Jun 13, 2025 20:28 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 2,076 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000045 · wk-form4_1749846480.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

Read SEC document
June 11, 2025 Filed Jun 13, 2025 20:28 UTC People Inc IAC · Entity 4273 Exercise / conversionCommon Stock, par value $0.0001 2,076 $0.00 $0.00
Disclosure

SEC source: 0001800227-25-000045 · wk-form4_1749846480.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,889

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 56,896 shares of IAC common stock, par value $0.0001, held directly by the reporting person and (ii) 25,993 share units accrued under IAC's Non-Employee Director Deferred Compensation plans as of the date of this report.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · derivative · entry 9

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 712,500

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · derivative · entry 8

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 522,500

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262,500

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Tax withholdingCommon Stock 72,699 $2.95 $214,462.05
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · nonDerivative · entry 4

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,786,605

F2 · shares: These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units granted to the reporting person on March 15, 2023, March 8, 2024 and March 14, 2025. None of these shares were sold in an open market transaction.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,859,304

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,811,804

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
June 09, 2025 Filed Jun 12, 2025 01:35 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 37,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000105 · wk-form4_1749692101.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,764,304

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
April 01, 2025 Filed Apr 3, 2025 21:57 UTC ETSY INC ETSY · Entity 2395 GrantRestricted Stock Units · Derivative 1,299 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-010045 · form4-04032025_090455.xml · derivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,299

Underlying: Common Stock · 1,299 shares

Expires not disclosed

F1 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F2 · derivative.exercise_date: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

F2 · derivative.expiration_date: This award is granted as part of the Reporting Person's annual retainer under the Etsy, Inc. Compensation Program for Non-Employee directors. 100% of this award will vest on the date of the next Annual Meeting of Stockholders, subject to the Reporting Person's continuous service as a member of the Board of Directors on such date.

Read SEC document
March 14, 2025 Filed Mar 17, 2025 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 GrantRestricted Stock Units · Derivative 760,000 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000042 · wk-form4_1742251333.xml · derivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 760,000

Underlying: Common Stock · 760,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F2 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
March 10, 2025 Filed Mar 13, 2025 00:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000017 · wk-form4_1741824797.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 570,000

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
March 10, 2025 Filed Mar 13, 2025 00:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-25-000017 · wk-form4_1741824797.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
March 10, 2025 Filed Mar 13, 2025 00:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Tax withholdingCommon Stock 34,213 $3.36 $114,955.68
Disclosure

SEC source: 0001600641-25-000017 · wk-form4_1741824797.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,726,804

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023 and March 8, 2024. None of these shares were sold in an open market transaction.

Read SEC document
March 10, 2025 Filed Mar 13, 2025 00:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000017 · wk-form4_1741824797.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,761,017

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
March 10, 2025 Filed Mar 13, 2025 00:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 37,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-25-000017 · wk-form4_1741824797.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,713,517

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
December 09, 2024 Filed Dec 12, 2024 01:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000207 · wk-form4_1733965983.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 617,500

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
December 09, 2024 Filed Dec 12, 2024 01:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000207 · wk-form4_1733965983.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,500

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
December 09, 2024 Filed Dec 12, 2024 01:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Tax withholdingCommon Stock 46,963 $3.78 $177,520.14
Disclosure

SEC source: 0001600641-24-000207 · wk-form4_1733965983.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,676,017

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023 and March 8, 2024. None of these shares were sold in an open market transaction.

Read SEC document
December 09, 2024 Filed Dec 12, 2024 01:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-24-000207 · wk-form4_1733965983.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,722,980

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
December 09, 2024 Filed Dec 12, 2024 01:13 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 37,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-24-000207 · wk-form4_1733965983.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,675,480

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 665,000

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,000

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Tax withholdingCommon Stock 46,963 $4.81 $225,892.03
Disclosure

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,637,980

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023 and March 8, 2024. None of these shares were sold in an open market transaction.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 47,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,684,943

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

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September 09, 2024 Filed Sep 11, 2024 22:42 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 37,500 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,637,443

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

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June 23, 2024 Filed Jun 25, 2024 20:10 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 1,034 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-24-018129 · form4-06252024_040611.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,035

Underlying: Common Stock, par value $0.0001 · 1,034 shares

Expires 2025-06-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vested/vest in equal installments on each of June 23, 2023, 2024, and 2025, subject to continued service.

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June 23, 2024 Filed Jun 25, 2024 20:10 UTC People Inc IAC · Entity 4273 Exercise / conversionCommon Stock, par value $0.0001 1,034 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-018129 · form4-06252024_040611.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,813

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F1 · kind: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 54,820 shares of IAC common stock, par value $0.0001, held directly by the reporting person and (ii) 25,993 share units accrued under IAC's Non-Employee Director Deferred Compensation plans as of the date of this report.

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June 15, 2024 Filed Jun 18, 2024 20:10 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 1,325 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-24-017371 · form4-06182024_040607.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,652

Underlying: Common Stock, par value $0.0001 · 1,325 shares

Expires 2024-06-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

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June 15, 2024 Filed Jun 18, 2024 20:10 UTC People Inc IAC · Entity 4273 Exercise / conversionCommon Stock, par value $0.0001 1,325 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-017371 · form4-06182024_040607.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,779

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F1 · kind: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 53,786 shares of IAC common stock, par value $0.0001, held directly by the reporting person and (ii) 25,993 share units accrued under IAC's Non-Employee Director Deferred Compensation plans as of the date of this report.

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June 11, 2024 Filed Jun 13, 2024 20:05 UTC People Inc IAC · Entity 4273 GrantRestricted Stock Units · Derivative 5,131 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-24-016652 · form4-06132024_040618.xml · derivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,131

Underlying: Common Stock, par value $0.0001 · 5,131 shares

Expires 2027-06-11

F1 · security: Represents restricted stock units that vest in equal installments on each of June 11, 2025, 2026, and 2027, subject to continued service.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 11, 2025, 2026, and 2027, subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 11, 2025, 2026, and 2027, subject to continued service.

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June 10, 2024 Filed Jun 12, 2024 23:41 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 47,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000134 · wk-form4_1718235689.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 712,500

Underlying: Common Stock · 47,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

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June 10, 2024 Filed Jun 12, 2024 23:41 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionRestricted Stock Units · Derivative 37,500 $0.00 $0.00
Disclosure

SEC source: 0001600641-24-000134 · wk-form4_1718235689.xml · derivative · entry 5

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 412,500

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

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June 10, 2024 Filed Jun 12, 2024 23:41 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Tax withholdingCommon Stock 46,963 $5.50 $258,296.50
Disclosure

SEC source: 0001600641-24-000134 · wk-form4_1718235689.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,599,943

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023 and March 8, 2024. None of these shares were sold in an open market transaction.

Read SEC document
June 10, 2024 Filed Jun 12, 2024 23:41 UTC 1stdibs.com, Inc. DIBS · Entity 6526 Exercise / conversionCommon Stock 85,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001600641-24-000134 · wk-form4_1718235689.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,646,906

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
May 14, 2024 Filed May 15, 2024 20:10 UTC People Inc IAC · Entity 4273 Exercise / conversionRestricted Stock Units · Derivative 549 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-24-013214 · form4-05152024_040518.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.0001 · 549 shares

Expires 2024-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vested/vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vested/vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vested/vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.